Solution to resolve Outlook Cannot Start error message

• Start Microsoft Outlook in safe Mode.• Disable Add-Ins• Reset Navigation Pane Configuration File• Delete Navigation Pane Setting File

Method 1 : Start Outlook in Safe Mode

• First, you should try to open Microsoft Outlook in safe mode.

• To do so: Press “Start” Key + “R”• Type “outlook.exe<space>/safe”

Disable Add-Ins• If Microsoft Outlook opens in safe mode,

then disable the add-ins.• To do so: Click on “File” tab >> “Options”

>> “Add-Ins” (at left pane) >> Go to “Manage: COM Add-ins” and click on “Go…”

• A new window will pop-up named as “COM Add-Ins”, unmark all the “Add-Ins” and click on “OK” button.

…cont• After removing add-ins, restart MS Outlook

in normal mode.

Method 2: Reset Navigation Pane• You can also try to reset Navigation pane

to resolve the issue.• To do so: Press “Start” key + “R”.• A run dialog box will open, type

“outlook.exe<space>/resetnavpane”

Delete Navigation Pane• If you are unable to run “outlook

/resetnavpane” command, then delete the Navigation pane setting file.

• Press “Start” key + “R” to open run dialog box.

• Type “%appdata%\Microsoft\Outlook”, click on “OK” button.

…cont• Delete “outlook.xml” file.

Another Solutions• You can create a new Outlook Profile.• Run Inbox Repair Tool to resolve the “Cannot

Start Microsoft Outlook” error message.

• Get more info about Cannot Start Microsoft Outlook